For any information system to serve its purpose，the information must be( )when it is needed

[单选题]F．or any information system to serve its purpose,the information must be ( ) when it is needed.A．integralB．availableC．irreplaceableD．confidential

[单选题]To search for any information needed on tomorrow’s Web, one only has to _____.［A］wade through screen after screen of extraneous data［B］ask the Web to dispatch some messenger to his door［C］use smart software programs called “agents”［D］explore Web site

[试题](b) A summary of the information needed to satisfy our obligations under the money laundering legislation andany action that should be taken before agreeing to become tax advisers to the Saturn Ltd group. (5 marks)

[单选题]Information,in its most restricted technical sense,is a seque of symbols that can be interpreted as a message.ingormation can be recorded as signs,or transmitted as（）A .symbolsB .messageC .signalsD .wave

[名词解释] 英译中：Geographic information system

[填空题] FICS（File&Information converting System）工具主要是对（）的原始测试数据进行分析的工具。

[名词解释] 物流信息系统logistics information system（LIS）

[单选题]The following information for the current year is available for a company t

[单选题]The following information for the current year is available for a company t

[填空题] 管理信息系统（MIS，management Information system）是在（）上发展起来的，它对管理信息进行收集、传递、储存与处理，形成多用户共享系统，直接为基层和各级管理部门服务。